6546557 has 2 divisors, whose sum is σ = 6546558. Its totient is φ = 6546556.

The previous prime is 6546541. The next prime is 6546571. The reversal of 6546557 is 7556456.

6546557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 1833316 = 2171^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 6546557 - 2⁴ = 6546541 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6546557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6546587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273278 + 3273279.

It is an arithmetic number, because the mean of its divisors is an integer number (3273279).

Almost surely, 2^6546557 is an apocalyptic number.

It is an amenable number.

6546557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6546557 is an equidigital number, since it uses as much as digits as its factorization.

6546557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 6546557 is about 2558.6240442863. The cubic root of 6546557 is about 187.0700739221.

The spelling of 6546557 in words is "six million, five hundred forty-six thousand, five hundred fifty-seven".